3000L Low Profile Underground Septic Tank with Partition

When your property isn't on mains sewer, the septic tank is the workhorse the whole system leans on. The Rapid Plas 3,000L Underground Septic Tank is our own poly design — a tough, self-anchoring alternative to concrete that goes in without a poured anchor slab, built in Tamworth and certified to AS/NZS 1546.1. Its internal partition treats wastewater in two stages before it moves through to your absorption trench, and it's sized to suit households of one to five people.

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Key Features

3,000L capacity, sized for 1–5 people — the right fit for a typical household off mains sewer.
Certified to AS/NZS 1546.1 — meets the Australian Standard councils require for an onsite septic tank.
Self-anchoring design — no concrete anchor slab to pour, which keeps the install quicker and simpler.
Internal partition — a two-chamber partitioned septic tank design that settles and clarifies wastewater in two stages, sending cleaner effluent through to your trench and helping protect it from solids.
Tough poly construction — won't corrode, crack or rust out underground the way concrete can over the years.
Factory-fitted inlet and outlet, lifting lugs and feet — set up to be lowered in cleanly, sit level, and connect with less fuss on site.
10-year manufacturer's warranty — backed by RapidPlas.

Ideal For

Rural, semi-rural and lifestyle properties beyond mains sewer.
Households of one to five people.
New builds, or replacing a tired concrete or failing septic tank.

3000L Low Profile Underground Septic Tank with Partition

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